Ontario open data · free · works offline
Ontario fishing map, built for anglers.
Explore fish species, lake depth, water clarity, live conditions and fishing regulations for over 20,000 Ontario waterbodies — no app store, account or paywall.
- 20,000+named waterbodies
- 30species technique guides
- 642sanctuaries mapped
- 100%free, no sign-in
Live weather & solunar times, every lake
Popular Ontario lakes
Start with a well-known fishing destination
Open a lake profile for species, depth and regulations, or jump directly to its position on the interactive map.
Six places to start
Full lake directory →★ Favourite lakes
Manage on map →Open a lake on the map and tap ☆ to save it here.
Recently viewed
Lake profiles you visit will appear here.
What's inside
Everything you'd normally piece together from six different sites
Click any lake or river and its whole story is right there — species, seasons, safety, and what's biting when.
Ontario lake fishing profiles
Search by lake name for recorded fish species, depth, water clarity, thermal regime and Fisheries Management Zone.
Regulations built in
Per-lake seasons and catch limits by zone, waterbody exceptions, and fish sanctuary boundaries.
Right now & prime times
Live weather, water levels, sunrise/sunset and solunar feeding windows for that exact spot.
Works offline
Install it like an app. Star a lake and its full profile saves for offline, no signal required.
Lake collections by species
Find water for the fish you want to catch
Choose a species for Ontario techniques, preferred water temperatures, and direct links to lakes where that fish appears in MNRF records.
Regulations
Fishing regulations, zone by zone
Ontario's fishing waters are split into 20 Fisheries Management Zones, each with its own seasons and catch limits. The map looks these up for you automatically.
Browse lakes by fishing zone
Data & trust
Official data, not guesswork
Every layer is sourced from the same open datasets behind Ontario's own Fish ON-Line tool, plus Environment Canada and the community at iNaturalist.
Find your next great catch.
20,000+ lakes and rivers, ready when you are. Free, offline-ready, and built on Ontario's official open data.
Open the map →